Who am I?

I’m a disabled Navy veteran and electrical engineer originally from Riverside CA, retired and now living here in Virgina and loving the freedom. As a kid I was always curious about how things worked and took them apart…and often times they didn’t go back together the same way, but I always had a love for science and nature and it just always stuck with me.
I’ve overcome many challenges in life and learned to never, ever give up 🙂

Why am I here?

I build 3D parts and components and electronic instruments with mostly what I have on hand, I provide my knowledge and experience free, plus my endless hours of research and experimentation and ask only for a little respect and recognition, see to me, I love doing what I do and I get frustrated with how difficult it can be to find what your looking for out here in cyberspace (and often getting a big hassle for your troubles.)

I just want to provide a place for all to find that knowledge, in peace…my way of paying it forward 🙂

Contact me at dhaffnersr@gmail.com

3D Printable Raman Spectrometer Projects




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